Digital clock



FIG. 1 is a front elevational view of a digital clock showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof, the left side viewbeing a mirror image thereof; and,

FIG. 6 is a front and top-right perspective view thereof.

The ornamental design for a digital clock, as shown and described.